Home / 58,365.11-87,566.03-20,899.64

Finding the Fourth Proportional to 58,365.11, 87,566.03 and 20,899.64

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Solution

The fourth proportional to 58,365.11, 87,566.03 and 20,899.64 is: 31,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,365.11 : 87,566.03 = 20,899.64 : x
  2. Step 2: Convert to fraction form
    58,365.11/87,566.03 = 20,899.64/x
  3. Step 3: Cross multiply
    58,365.11x = 87,566.03 × 20,899.64
  4. Step 4: Simplify right side
    58,365.11x = 1,830,097,960.90
  5. Step 5: Solve for x
    x = 1,830,097,960.90/58,365.11
  6. Step 6: Final answer
    x = 31,356.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.